Huawei H19-311 Online Practice Questions and Exam Preparation

Huawei H19-311 Online Questions & Answers

• Question 141:

  The UPS5000-A features the design of reliability, high efficiency, and simplicity. Which of the following statements are correct about the UPS5000-A-400/500K? (Multiple Choice)

  A. The UPS5000-A-400/500K has built-in components for parallel operation.
  B. The UPS5000-A-4O0/500K supports the upflow mode.
  C. The UFS5000-A has two control units.
  D. The input voltage of the UPS ranges 138-485 V AC.
  A. The UPS5000-A-400/500K has built-in components for parallel operation.
  C. The UFS5000-A has two control units.
  D. The input voltage of the UPS ranges 138-485 V AC.

• Question 142:

  A cable rack inside a cabinet occupies () U cabinet space.

  A. 1
  B. 2
  C. 3
  D. 4
  A. 1

• Question 143:

  The UPS5000-E power module adopts fan fault-tolerant design. When two fans are faulty, how many loads in percentage is this power module still be able to carry?

  A. 0.25
  B. 0.3
  C. 0.5
  D. 0.6
  B. 0.3

• Question 144:

  Which of the following statements is incorrect about the configuration principle? (Multiple Choice)

  A. There is no need to consider the redundancy factor when designing the UPS basic capacity for a computer room.
  B. If loads of motor type are used, the UPS capacity shall be calculated with the rated power.
  C. Calculating the battery capacity with the galvanostatic method is preferred for short-time backup.
  D. For a power cable, the higher the redundancy is, the better the system reliability is.
  A. There is no need to consider the redundancy factor when designing the UPS basic capacity for a computer room.
  B. If loads of motor type are used, the UPS capacity shall be calculated with the rated power.
  C. Calculating the battery capacity with the galvanostatic method is preferred for short-time backup.
  D. For a power cable, the higher the redundancy is, the better the system reliability is.

• Question 145:

  The UPS5000-A parallel signal cable does not adopt ring connection, which reduces system reliability because of the possibility of single-point failures.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 146:

  The battery voltage of the UPS2000-G is 240 V for the 6-10 kVA capacity models, and is 480 V for the 15 kVA and 20 kVA capacity models.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 147:

  For the 6-kVA UPS2000-G, a 1+1 parallel system requires () DB15 parallel cables to ensure that each UPS is connected by at least two parallel cables and to enhance the parallel system reliability.

  B. 1
  C. 2
  D. 3
  C. 2

• Question 148:

  The UPS5000-E is an efficient UPS. Which of the following statements are correct? (Multiple Choice) A. The efficiency can be up to 96%.

  A. The efficiency can be up to 95% at 20% loads.
  B. The efficiency can be up to 94% at 20% loads.
  C. The efficiency can be up to 96% at 40% loads.
  A. The efficiency can be up to 95% at 20% loads.
  B. The efficiency can be up to 94% at 20% loads.

• Question 149:

  The maximum capacity of a single-racked UPS5000-E (50 kVA power module) is 300 kVA.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 150:

  Which of the following items is required if the UPS5000-E adopts both dry contact card and backfeed protection card?

  A. ECM extended subrack
  B. IP21 component
  C. Dry contact card socket
  A. ECM extended subrack